Patents by Inventor Masahiro Tada
Masahiro Tada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20220392181Abstract: According to an aspect, a detection device includes: a substrate; a plurality of photodiodes arranged on the substrate; a light source configured to emit light to an object to be detected; a detection circuit configured to detect first detection signals based on reverse bias currents of the photodiodes when the light source is off, and to detect second detection signals based on the reverse bias currents of the photodiodes when the light source is on; and a memory configured to store first imaging data based on the first detection signals when the light source is off, second imaging data based on the second detection signals when the light source is on, and difference data between the first imaging data and the second imaging data.Type: ApplicationFiled: June 2, 2022Publication date: December 8, 2022Inventor: Masahiro TADA
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Publication number: 20220350434Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.Type: ApplicationFiled: July 13, 2022Publication date: November 3, 2022Applicant: Japan Display Inc.Inventors: Yoshiro AOKI, Takashi NAKAMURA, Masahiro TADA, Hirotaka HAYASHI, Makoto SHIBUSAWA, Yutaka UMEDA, Miyuki ISHIKAWA
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Patent number: 11450135Abstract: A fingerprint detection apparatus comprising: an insulating substrate; a plurality of photoelectric conversion elements arrayed in a detection region of the insulating substrate, each of the photoelectric conversion elements configured to output a signal in accordance with light incident on each of the photoelectric conversion elements; first switching element, each corresponding to each of the photoelectric conversion elements and including a first semiconductor made of oxide semiconductor; a plurality of gate lines coupled with the first switching elements and extending in a first direction; a plurality of signal lines coupled with the first switching elements and extending in a second direction intersecting the first direction; and a gate line drive circuit including a second switching element that includes a second semiconductor made of polycrystalline silicone, the gate line drive circuit being provided in a peripheral region outside the detection region and configured to drive the gate lines.Type: GrantFiled: September 25, 2020Date of Patent: September 20, 2022Assignee: Japan Display Inc.Inventors: Makoto Uchida, Takanori Tsunashima, Masahiro Tada, Tomoyuki Ito, Takashi Nakamura
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Patent number: 11422651Abstract: According to one embodiment, a lateral-electric-field liquid crystal display device includes a light-emitting display layer including OLEDs and a driving circuit controlling light emission of the OLEDs, a moisture impermeable film provided to be laminated on the light-emitting display layer to prevent infiltration of moisture into the light-emitting display layer, an optical substrate provided separately from the moisture impermeable film and subjecting light from the light-emitting display region to optical processing, a first touch electrode group serving as one electrode group of touch electrodes and provided on a back surface of the optical substrate, and an extraction electrode group formed to be laminated on the moisture impermeable film, the extraction electrode group and the optical substrate have an overlapping part in plan view, and electrodes of the first touch electrode group being electrically connected to electrodes of the extraction electrode group in the overlapping part.Type: GrantFiled: June 25, 2020Date of Patent: August 23, 2022Assignee: Japan Display Inc.Inventors: Yoshiro Aoki, Takashi Nakamura, Masahiro Tada, Hirotaka Hayashi, Makoto Shibusawa, Yutaka Umeda, Miyuki Ishikawa
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Patent number: 11377757Abstract: An object of the present invention is to provide a method for producing a group III nitride crystal in which generation of breaking or cracks is less likely to occur. To achieve the object, the method for producing a group III nitride crystal includes: seed crystal preparation including disposing a plurality of crystals of a group III nitride as a plurality of seed crystals on a substrate; and crystal growth including growing group III nitride crystals by contacting a surface of each of the seed crystals with a melt containing at least one group III element selected from gallium, aluminum, and indium and an alkali metal in an atmosphere containing nitrogen. In the seed crystal preparation, the plurality of seed crystals are disposed within a hexagonal region provided on the substrate.Type: GrantFiled: February 17, 2020Date of Patent: July 5, 2022Assignees: PANASONIC HOLDINGS CORPORATION, OSAKA UNIVERSITYInventors: Yoshio Okayama, Shinsuke Komatsu, Masahiro Tada, Yusuke Mori, Masayuki Imanishi, Masashi Yoshimura
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Publication number: 20220190038Abstract: According to an aspect of the present disclosure, a detection device includes: a substrate; a plurality of first optical sensors provided in a detection area of the substrate and comprising an organic material layer having a photovoltaic effect; and at least one or more second optical sensors provided on the substrate and comprising an inorganic material layer having a photovoltaic effect.Type: ApplicationFiled: March 7, 2022Publication date: June 16, 2022Applicant: Japan Display Inc.Inventors: Masahiro TADA, Takashi NAKAMURA, Akio TAKIMOTO
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Patent number: 11345368Abstract: A guidance system includes an outputter configured to output information, a first acquirer configured to acquire position information indicating an occurrence position of a predetermined event that occurred due to at least the feelings of an occupant in a moving body, a second acquirer configured to acquire position information indicating a position of a first moving body, and an output controller that is configured to cause the outputter to output guidance information for providing guidance to the occupant in the first moving body regarding the fact that there is a possibility of the predetermined event occurring in the first moving body according to the position information acquired by the first acquirer and the position information acquired by the second acquirer.Type: GrantFiled: January 16, 2020Date of Patent: May 31, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Lei Tian, Masahiro Tada
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Patent number: 11300422Abstract: An information provision apparatus comprises: a processor; and a memory storing instructions which, when executed by the processor, cause the apparatus to function as: an obtaining unit configured to identify a plurality of people and obtain registration information for each of the plurality of people; an information provision unit configured to, in order to cause information to be perceivably outputted from an output unit to the plurality of people, provide predetermined information to the output unit; and a selection unit configured to select the predetermined information, wherein the selection unit, in a case where there is a person for whom the registration information cannot be obtained, selects the predetermined information based on input information obtained via an input unit for the person for whom the registration information cannot be obtained.Type: GrantFiled: March 4, 2019Date of Patent: April 12, 2022Assignee: HONDA MOTOR CO., LTD.Inventors: Masahiro Tada, Lei Tian
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Publication number: 20220037410Abstract: A detection device includes a photodiode, and a thin-film transistor coupled to the photodiode. The thin-film transistor includes a semiconductor layer between a light-blocking layer and the photodiode, and an electrode layer between the semiconductor layer and the photodiode, and the electric layer includes a source electrode and a drain electrode of the thin-film transistor. The source electrode extends to a position facing the light-blocking layer with the semiconductor layer interposed therebetween.Type: ApplicationFiled: October 13, 2021Publication date: February 3, 2022Inventors: Takashi NAKAMURA, Makoto UCHIDA, Masahiro TADA, Marina MOCHIZUKI, Hirofumi KATO, Akio TAKIMOTO, Takao SOMEYA, Tomoyuki YOKOTA
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Publication number: 20220021669Abstract: A biometric authentication system is a biometric authentication system having a detection device and an authentication device performing personal authentication. The detection device has a plurality of sensor elements, a plurality of gate lines and a plurality of signal lines provided in correspondence with the sensor elements, and gate line drive circuit scanning the gate lines.Type: ApplicationFiled: September 29, 2021Publication date: January 20, 2022Applicant: Japan Display Inc.Inventors: Masahiro TADA, Takashi NAKAMURA, Akio TAKIMOTO, Tomokatsu KINUGAWA
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Patent number: 11220759Abstract: A method of manufacturing a group-III nitride crystal includes: a seed crystal preparation step of preparing a plurality of dot-shaped group-III nitrides on a substrate as a plurality of seed crystals for growth of a group-III nitride crystal; and a crystal growth step of bringing surfaces of the seed crystals into contact with a melt containing an alkali metal and at least one group-III element selected from gallium, aluminum, and indium in an atmosphere containing nitrogen and thereby reacting the group-III element with the nitrogen in the melt to grow the group-III nitride crystal.Type: GrantFiled: February 6, 2020Date of Patent: January 11, 2022Assignees: OSAKA UNIVERSITY, PANASONIC CORPORATIONInventors: Yusuke Mori, Masayuki Imanishi, Masashi Yoshimura, Kousuke Murakami, Shinsuke Komatsu, Masahiro Tada, Yoshio Okayama
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Publication number: 20210382973Abstract: A detection device includes an input unit configured to receive an operation of a user, and a sensor provided in the input unit and configured to detect biological information of the user when the user operates the input unit.Type: ApplicationFiled: August 18, 2021Publication date: December 9, 2021Inventors: Masahiro TADA, Takashi NAKAMURA, Akio TAKIMOTO
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Publication number: 20210374222Abstract: A detection system includes a portable object that comprises a sensor configured to detect biological information on a user and is portable by the user, and a function execution device configured to acquire the biological information on the user detected by the sensor through communication, and execute a predetermined function based on an authentication result of the user associated with the biological information on the user.Type: ApplicationFiled: August 12, 2021Publication date: December 2, 2021Applicant: Japan Display Inc.Inventors: Masahiro TADA, Takashi NAKAMURA, Akio TAKIMOTO
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Publication number: 20210374223Abstract: A detection device comprising: an input unit configured to receive an operation of a user; a biosensor provided on the input unit and configured to detect biological information on the user; a position sensor configured to detect an operating position that is a position on the input unit where the user has performed the operation; and a controller, wherein the controller comprises: an operation determination unit configured to determine, based on the operating position detected by the position sensor, whether the user has operated the input unit along a predetermined trajectory; and a biological information acquirer configured to, when the user is determined to have operated the input unit along the predetermined trajectory, acquire, from the biosensor, the biological information on the user when the user has operated the input unit along the predetermined trajectory.Type: ApplicationFiled: August 12, 2021Publication date: December 2, 2021Applicant: Japan Display Inc.Inventors: Masahiro TADA, Takashi NAKAMURA, Akio TAKIMOTO
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Publication number: 20210313384Abstract: A detection device comprising: an insulating substrate; a plurality of gate lines that are provided on the insulating substrate, and extend in a first direction; a plurality of signal lines that are provided on the insulating substrate, and extend in a second direction intersecting the first direction; a switching element coupled to each of the gate lines and each of the signal lines; a first photoelectric conversion element that comprises a first semiconductor layer containing amorphous silicon, and is coupled to the switching element; and a second photoelectric conversion element that comprises a second semiconductor layer containing polysilicon, and is coupled to the switching element.Type: ApplicationFiled: June 16, 2021Publication date: October 7, 2021Inventors: Masahiro TADA, Makoto UCHIDA, Takashi NAKAMURA
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Publication number: 20210242256Abstract: The present technology relates to a solid-state imaging device and an electronic device that can expand a dynamic range in a pixel having a high-sensitivity pixel and a low-sensitivity pixel. The solid-state imaging device includes a pixel array unit in which a plurality of pixels is arranged in a two-dimensional manner, in which the pixel includes a first photoelectric conversion unit and a second photoelectric conversion unit having lower sensitivity than the first photoelectric conversion unit, and a size of the second photoelectric conversion unit in an optical axis direction in which light enters is smaller than a size of the first photoelectric conversion unit in the optical axis direction. The present technology can be applied to a backside-illumination CMOS image sensor, for example.Type: ApplicationFiled: February 12, 2021Publication date: August 5, 2021Inventors: HIDEO KIDO, MASAHIRO TADA, TAKAHIRO TOYOSHIMA, YASUSHI TATESHITA, HIKARU IWATA
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Patent number: 10998357Abstract: Provided is a solid-state imaging device and an electronic device that can expand a dynamic range in a pixel having a high-sensitivity pixel and a low-sensitivity pixel. The solid-state imaging device includes a pixel array unit in which a plurality of pixels is arranged in a two-dimensional manner, in which the pixel includes a first photoelectric conversion unit and a second photoelectric conversion unit having lower sensitivity than the first photoelectric conversion unit, and a size of the second photoelectric conversion unit in an optical axis direction in which light enters is smaller than a size of the first photoelectric conversion unit in the optical axis direction.Type: GrantFiled: March 15, 2017Date of Patent: May 4, 2021Assignee: SONY CORPORATIONInventors: Hideo Kido, Masahiro Tada, Takahiro Toyoshima, Yasushi Tateshita, Hikaru Iwata
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Patent number: 10999713Abstract: An information providing apparatus of the present disclosure controls the output of information. The information providing apparatus includes a receiving unit that can receive a message. In addition, the information provide apparatus includes an output control unit that outputs the received message in a manner perceptible to multiple people. Further, the information apparatus includes a determination unit that determines whether the received message is a message addressed to a specific person among the multiple people. In a case where it is determined that the received message is a message addressed to the specific person, the output control unit can change an output mode of the received message, based on an attribute shared between the specific person and another person among the multiple people.Type: GrantFiled: March 1, 2019Date of Patent: May 4, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Masahiro Tada, Lei Tian
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Patent number: 10961400Abstract: The present invention provides the following method for forming a multilayer coating film. The method comprises forming an uncured coating film of a specific primer paint composition (A) on a substrate, forming a top coating film of a specific top paint composition (B) on the uncured coating film, and simultaneously drying the films. The primer paint composition (A) is a paint composition comprising an epoxy resin (a1), a rust preventive pigment (a2), a color pigment (a3), and an extender pigment (a4); and the top paint composition (B) is a paint composition comprising an acrylic resin (b1) and an active methylene blocked polyisocyanate compound (b2).Type: GrantFiled: April 11, 2017Date of Patent: March 30, 2021Assignee: KANSAI PAINT CO., LTD.Inventors: Keitaro Yamamoto, Masahiro Tada, Hirohisa Tsuda, Hideaki Katsuta
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Patent number: 10964735Abstract: Provided is a solid-state imaging device and an electronic device that can expand a dynamic range in a pixel having a high-sensitivity pixel and a low-sensitivity pixel. The solid-state imaging device includes a pixel array unit in which a plurality of pixels is arranged in a two-dimensional manner, in which the pixel includes a first photoelectric conversion unit and a second photoelectric conversion unit having lower sensitivity than the first photoelectric conversion unit, and a size of the second photoelectric conversion unit in an optical axis direction in which light enters is smaller than a size of the first photoelectric conversion unit in the optical axis direction.Type: GrantFiled: March 15, 2017Date of Patent: March 30, 2021Assignee: SONY CORPORATIONInventors: Hideo Kido, Masahiro Tada, Takahiro Toyoshima, Yasushi Tateshita, Hikaru Iwata